This very simple solution applies to a narrow cross-section of the "needs to close" variety.
In this case, the full message in Event Viewer was in applog, Event ID 1000:
Faulting application iexplore.exe, version 8.0.6001.18702, faulting module …

The viewer will learn how to simulate a series of sales calls dependent on a single skill level and learn how to simulate a series of sales calls dependent on two skill levels.
Simulating Independent Sales Calls: Enter .75 into cell C2 – “skill leve…